Nannotax3 - ntax_cenozoic - Papposphaera arctica HOL <title>Nannotax3 - ntax_cenozoic - Papposphaera arctica HOL

Papposphaera arctica HOL


Classification: ntax_cenozoic -> Holococcoliths -> open-tube -> Papposphaera HOL -> Papposphaera arctica HOL
Sister taxa: P. arctica HOL, P. polybotrys HOL, P. sagittifera HOL, P. sarion HOL ⟩⟨ P. sp. 2 (Turrisphaera phase), P. sp. 3 (Turrisphaera phase), P. sp. HOL

Taxonomy:

Citation: Papposphaera arctica (Manton, Sutherland & Oates 1976a) Thomsen et al. 1991 HOL
Rank: Species
Synonyms:

Distinguishing features:
Parent taxon (Papposphaera HOL): Tower-like holococcoliths formed from hexagonal crystallite groups.
This taxon: Coccosphere elongate, varimorphic, CFCs higher and asymmetric, liths are only slightly widened distally.

Farinacci & Howe catalog pages: T. arctica *


Morphology:


Size:
Coccosphere elongate 6-8 µm


Ecology & Biogeography


Biology & life-cycles
The HET phase was previously called P. sagittifera.

Phylogenetic relations

See also: Papposphaera arctica ;

Search data:
LITHS: holococcolith, elliptical, cylindrical, hollow, CA: vacant,
CSPH: equant, elongated, monomorphic, CROSS-POLARS: V-prominent, R-prominent,
Lith size: 1->2µm; Coccosphere size: 7->9µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): Extant. Data source: present in the plankton
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: [JRY rough estimate]

Plot of occurrence data:

References:

Manton, I., Sutherland, J. & Oates, K. (1976b). Arctic coccolithophorids: two species of Turrisphaera gen. nov. from West Greenland, Alaska, and the Northwest Passage. Proceedings of the Royal Society of London. 194: 179-194. gs

Thomsen, H. A. (2016). Baltic Sea coccolithophores – an overview of insights into their taxonomy and ecology from the last 40 years. Journal of Nannoplankton Research. 36(2): 97-119. gs O

Thomsen, H. A., Ostergaard, J. B. & Heldal, M. (2016e). Coccolithophores in Polar Waters: Papposphaera sagittifera HET and HOL revisited. Acta Protozoologica. 55: 33-50. gs V O

Thomsen, H. A., Heldal, M. & Ostergaard, J. B. (2016c). Coccolithophores in Polar Waters: Papposphaera arctica HET and HOL revisited. Micropaleontology. 61(6): 419-427. gs

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Papposphaera arctica HOL compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 4-2-2023

Taxon Search:
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